Home / 72,004.96-108,007.28-25,271.20

Finding the Fourth Proportional to 72,004.96, 108,007.28 and 25,271.20

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Solution

The fourth proportional to 72,004.96, 108,007.28 and 25,271.20 is: 37,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,004.96 : 108,007.28 = 25,271.20 : x
  2. Step 2: Convert to fraction form
    72,004.96/108,007.28 = 25,271.20/x
  3. Step 3: Cross multiply
    72,004.96x = 108,007.28 × 25,271.20
  4. Step 4: Simplify right side
    72,004.96x = 2,729,473,574.34
  5. Step 5: Solve for x
    x = 2,729,473,574.34/72,004.96
  6. Step 6: Final answer
    x = 37,906.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.